Estoy ejecutando el siguiente código para crear la pila. Instancia se creó, sino que recibió este error:

Loaded plugins: amazon-id, rhui-lb, search-disabled-repos
No Match for argument: aws-cfn-bootstrap
No package aws-cfn-bootstrap available.
No packages marked for update
/var/lib/cloud/instance/scripts/part-001: line 4: cd: /opt/aws/bin/cfn-init: No such file or directory

Mi plantilla de CloudFormation es:

{
        "Resources": {
            "MyInstance": {
                "Type": "AWS::EC2::Instance",
                "Properties": {
                    "ImageId": "ami-011b3ccf1bd6db744",
                    "InstanceType": "t2.micro",
                    "KeyName": "EC2KeyPair",
                    "UserData": {
                        "Fn::Base64": {
                            "Fn::Join": ["", [
                                "#!/bin/bash", "\n",
                                "exec > /tmp/user_data.log 2>&1 \n",
                                "yum update -y\n",
                                "yum install -y epel-release\n",
                                "yum install -y https://s3.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-latest.amzn1.noarch.rpm \n",

                                "ln -s /usr/local/lib/python2.7/site-packages/cfnbootstrap /usr/lib/python2.7/site-packages/cfnbootstrap\n",


                                "/opt/aws/bin/cfn-init -v",
                                " --stack ", {
                                    "Ref": "AWS::StackName"
                                },
                                " --resource MyInstance",
                                " --configsets scripts ",
                                " --region ", {
                                    "Ref": "AWS::Region"
                                }, "\n"
                            ]]
                        }
                    }
                },
                "Metadata": {
                    "AWS::CloudFormation::Init": {
                        "configSets": {
                        "scripts" :[
                            "configure_cfn",
                            "pythonInstallation"
                        ]
                        },
                        "configure_cfn": {
                            "files": {
                                "/etc/cfn/hooks.d/cfn-auto-reloader.conf": {
                                    "content": {
                                        "Fn::Join": ["", [
                                            "[cfn-auto-reloader-hook]\n",
                                            "triggers=post.update\n",
                                            "path=Resources.EC2.Metadata.AWS::CloudFormation::Init\n",
                                            "action=/opt/aws/bin/cfn-init -v",
                                            " --stack ", {
                                                "Ref": "AWS::StackName"
                                            },
                                            " --resource EC2",
                                            " --configsets wordpress",
                                            " --region ", {
                                                "Ref": "AWS::Region"
                                            }, "\n"
                                        ]]
                                    },
                                    "mode": "000400",
                                    "owner": "root",
                                    "group": "root"
                                },
                                "/etc/cfn/cfn-hup.conf": {
                                    "content": {
                                        "Fn::Join": ["", [
                                            "[main]\n",
                                            "stack=", {
                                                "Ref": "AWS::StackId"
                                            }, "\n",
                                            "region=", {
                                                "Ref": "AWS::Region"
                                            }, "\n",
                                            "verbose=true\n",
                                            "interval=5\n"
                                        ]]
                                    },
                                    "mode": "000400",
                                    "owner": "root",
                                    "group": "root"
                                },
                                "/var/www/html/index2.html": {
                                    "content": "Hi"

                                }
                            },
                            "services": {
                                "sysvinit": {
                                    "cfn-hup": {
                                        "enabled": "true",
                                        "ensureRunning": "true",
                                        "files": ["/etc/cfn/cfn-hup.conf", "/etc/cfn/hooks.d/cfn-auto-reloader.conf"]
                                    }
                                }
                            }
                        },
                        "pythonInstallation": {
                            "packages": {
                                "yum": {
                                    "wget": [],
                                    "unzip": [],
                                    "gcc-c++": [],
                                    "zlib-devel": [],
                                    "libffi-devel": [],
                                    "httpd": []
                                }
                            },
                            "sources": {
                                "usr/src/": "https://www.python.org/ftp/python/3.7.2/Python-3.7.2.tgz"
                            },
                            "commands": {
                                "python1": {
                                    "command": "tar xzf Python-3.7.2.tgz",
                                    "cwd": "/usr/src/"
                                },
                                "python2": {
                                    "command": {
                                        "comm1": "./configure --enable-optimizations",
                                        "comm2": "make altinstall",
                                        "comm3": "rm /usr/src/Python-3.7.2.tgz"

                                    },
                                    "cwd": "/usr/src/Python-3.7.2"
                                }

                            },
                            "files": {
                                "/var/www/html/index.php": {
                                    "content": {
                                        "Fn::Join": ["", [

                                            "<html>\n",
                                            "  <head>\n",
                                            "    <title>AWS CloudFormation PHP Sample</title>\n",
                                            "    <meta http-equiv=\"Content-Type\" content=\"text/html; charset=ISO-8859-1\">\n",
                                            "  </head>\n",
                                            "  <body>\n",
                                            "    <h1>Welcome to the AWS CloudFormation PHP Sample</h1>\n",

                                            "  </body>\n",
                                            "</html>\n"
                                        ]]
                                    }
                                }
                            }
                        }
                    }


                }
            }
        }
    }